Fuel Injector: Service and Repair

Fuel Rail:

REMOVAL
1. Disconnect negative battery cable.
2. Relieve fuel system pressure.
3. Disconnect fuel pressure and return line spring lock couplings.
4. Disconnect PCV hose from intake plenum and cylinder head cover.

Fuel Pressure Regulator And PCV Valve Location:

5. Disconnect fuel pressure regulator vacuum hose.

Wiring Harness Connector:

6. Disconnect injector wiring harness connectors.
7. Remove fuel rail mounting bolts and remove fuel rail.
8. Remove injectors, grommets, and insulators.

INSTALLATION
1. Lubricate new O-rings with clean engine oil and install on injectors.
2. Install injectors, grommets, and insulators onto fuel rail.
3. Place fuel rail into mounting position.
4. Install mounting bolts and tighten to 14 - 19 ft lb (19 - 25 Nm).
5. Connect injector wiring harness electrical connectors.
6. Connect pressure regulator vacuum hose.
7. Connect PCV hose to intake plenum and cylinder head cover.
8. Connect fuel line spring lock couplings.
9. Connect negative battery cable.
10. Start engine and check for fuel leaks.